diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-26 16:54:27 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-26 16:54:27 -0800 |
commit | 64d497f55379b1e320a08ec2426468d96f5642ec (patch) | |
tree | 22b9ab3c5e69c5cc2728cbc2ca7fc7623beef8f1 /arch/sh/include/asm/pgalloc.h | |
parent | 37d4008484977f60d5d37499a2670c79b214dd46 (diff) | |
parent | b5f5fe80fa98a60daa0fa94512d1599b1e26674c (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (187 commits)
sh: remove dead LED code for migo-r and ms7724se
sh: ecovec build fix for CONFIG_I2C=n
sh: ecovec r-standby support
sh: ms7724se r-standby support
sh: SH-Mobile R-standby register save/restore
clocksource: Fix up a registration/IRQ race in the sh drivers.
sh: ms7724: modify scan_timing for KEYSC
sh: ms7724: Add sh_sir support
sh: mach-ecovec24: Add sh_sir support
sh: wire up SET/GET_UNALIGN_CTL.
sh: allow alignment fault mode to be configured at kernel boot.
sh: sh7724: Update FSI/SPU2 clock
sh: always enable sh7724 vpu_clk and set to 166MHz on Ecovec
sh: add sh7724 kick callback to clk_div4_table
sh: introduce struct clk_div4_table
sh: clock-cpg div4 set_rate() shift fix
sh: Turn on speculative return for SH7785 and SH7786
sh: Merge legacy and dynamic PMB modes.
sh: Use uncached I/O helpers in PMB setup.
sh: Provide uncached I/O helpers.
...
Diffstat (limited to 'arch/sh/include/asm/pgalloc.h')
-rw-r--r-- | arch/sh/include/asm/pgalloc.h | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h index 63ca37bd9a95..8c00785c60d5 100644 --- a/arch/sh/include/asm/pgalloc.h +++ b/arch/sh/include/asm/pgalloc.h @@ -4,8 +4,16 @@ #include <linux/quicklist.h> #include <asm/page.h> -#define QUICK_PGD 0 /* We preserve special mappings over free */ -#define QUICK_PT 1 /* Other page table pages that are zero on free */ +#define QUICK_PT 0 /* Other page table pages that are zero on free */ + +extern pgd_t *pgd_alloc(struct mm_struct *); +extern void pgd_free(struct mm_struct *mm, pgd_t *pgd); + +#if PAGETABLE_LEVELS > 2 +extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); +extern pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address); +extern void pmd_free(struct mm_struct *mm, pmd_t *pmd); +#endif static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) @@ -20,28 +28,9 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, } #define pmd_pgtable(pmd) pmd_page(pmd) -static inline void pgd_ctor(void *x) -{ - pgd_t *pgd = x; - - memcpy(pgd + USER_PTRS_PER_PGD, - swapper_pg_dir + USER_PTRS_PER_PGD, - (PTRS_PER_PGD - USER_PTRS_PER_PGD) * sizeof(pgd_t)); -} - /* * Allocate and free page tables. */ -static inline pgd_t *pgd_alloc(struct mm_struct *mm) -{ - return quicklist_alloc(QUICK_PGD, GFP_KERNEL | __GFP_REPEAT, pgd_ctor); -} - -static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) -{ - quicklist_free(QUICK_PGD, NULL, pgd); -} - static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { @@ -81,7 +70,6 @@ do { \ static inline void check_pgt_cache(void) { - quicklist_trim(QUICK_PGD, NULL, 25, 16); quicklist_trim(QUICK_PT, NULL, 25, 16); } |